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    • 16. 发明授权
    • Operating method for inkjet head
    • 喷墨头操作方法
    • US07950759B2
    • 2011-05-31
    • US11730881
    • 2007-04-04
    • Young-Jae KimJae-Woo JoungChang-Sung ParkYoung-Seuck Yoo
    • Young-Jae KimJae-Woo JoungChang-Sung ParkYoung-Seuck Yoo
    • B41J29/38
    • B41J2/04588B41J2/04581B41J2/14233B41J2002/14411
    • A method of operating an inkjet head to eject ink droplets, for an inkjet head including a pressure chamber that is contracted and expanded in a particular period, including: decompression-operating the membrane, such that the volume of the pressure chamber is increased, in correspondence with the period in which the pressure chamber is expanded; compression-operating the membrane, such that the volume of the pressure chamber is decreased, in correspondence with the time point at which the pressure chamber is converted from an expanded state to a contracted state; decompression-operating the membrane, such that the volume of the pressure chamber is increased, in correspondence with the period in which the pressure chamber is contracted; and compression-operating the membrane, such that the volume of the pressure chamber is decreased, in correspondence with the time point at which the pressure chamber is converted from a contracted state to an expanded state.
    • 一种操作喷墨头以喷射墨滴的方法,对于包括在特定时间段内收缩和膨胀的压力室的喷墨头,包括:减压操作膜,使得压力室的体积增加, 与压力室膨胀的时间对应; 压缩操作膜,使得压力室的体积相应于压力室从膨胀状态转变为收缩状态的时间点减小; 减压 - 操作膜,使得压力室的体积相应于压力室收缩的时间段增加; 并且压缩操作膜,使得压力室的体积相应于压力室从收缩状态转变为膨胀状态的时间点而减小。
    • 17. 发明申请
    • INK-JET HEAD
    • 喷墨头
    • US20100020134A1
    • 2010-01-28
    • US12424194
    • 2009-04-15
    • Won-Chul SIMJae-Woo JoungChang-Sung ParkSuk-Ho SongYoung-Seuck Yoo
    • Won-Chul SIMJae-Woo JoungChang-Sung ParkSuk-Ho SongYoung-Seuck Yoo
    • B41J2/045
    • B41J2/14233B41J2002/14491
    • An ink-jet head is disclosed. The ink-jet head in accordance with an embodiment of the present invention includes: a body, a plurality of chambers, which are formed inside the body such that the plurality of chamber accommodate ink, a plurality of actuators, which are coupled to one side of the body such that pressure is supplied to each of the plurality of chambers, a holding groove, which is formed on one side of the body, and a common electrode, which is interposed between the actuators and the body and in which a part of the common electrode is formed on in the holding groove such that the plurality of actuators are electrically connected to one another. The ink-jet head can prevent defective signal transduction of an actuator and crosstalk between chambers.
    • 公开了一种喷墨头。 根据本发明的实施例的喷墨头包括:主体,多个室,其形成在主体内部,使得多个室容纳油墨;多个致动器,其联接到一侧 所述主体的压力被提供给所述多个室中的每一个,形成在所述主体的一侧上的保持槽和公共电极,所述公共电极介于所述致动器和所述主体之间,并且其中一部分 公共电极形成在保持槽中,使得多个致动器彼此电连接。 喷墨头可以防止致动器的信号传导不良和室之间的串扰。
    • 18. 发明申请
    • Operating method for inkjet head
    • 喷墨头操作方法
    • US20070257948A1
    • 2007-11-08
    • US11730881
    • 2007-04-04
    • Young-Jae KimJae-Woo JoungChang-Sung ParkYoung-Seuck Yoo
    • Young-Jae KimJae-Woo JoungChang-Sung ParkYoung-Seuck Yoo
    • B41J29/38
    • B41J2/04588B41J2/04581B41J2/14233B41J2002/14411
    • An operating method for an inkjet head is disclosed. With a method of operating an inkjet head to eject ink droplets, for an inkjet head including a pressure chamber that is contracted and expanded in a particular period, a membrane included in one side of the pressure chamber, and a nozzle connected to the pressure chamber, where the method includes: (a) decompression-operating the membrane, such that the volume of the pressure chamber is increased, in correspondence with the period in which the pressure chamber is expanded; (b) compression-operating the membrane, such that the volume of the pressure chamber is decreased, in correspondence with the time point at which the pressure chamber is converted from an expanded state to a contracted state; (c) decompression-operating the membrane, such that the volume of the pressure chamber is increased, in correspondence with the period in which the pressure chamber is contracted; and (d) compression-operating the membrane, such that the volume of the pressure chamber is decreased, in correspondence with the time point at which the pressure chamber is converted from a contracted state to an expanded state, the operating waveform delivered to the actuator is designed in consideration of all of the resonance frequencies of the actuator, pressure chamber, and meniscus, whereby the ejection speed of ink droplets may be increased and the size of the ink droplets may be minimized, without being subject to the effects of resonance of the actuator during the process of ejecting the ink droplets.
    • 公开了一种用于喷墨头的操作方法。 通过操作喷墨头以喷射墨滴的方法,对于包括在特定时间段收缩和膨胀的压力室的喷墨头,包括在压力室一侧的膜和连接到压力室的喷嘴 其中所述方法包括:(a)减压操作所述膜,使得所述压力室的体积与所述压力室膨胀的时段相对应地增加; (b)对膜进行压缩操作,使得压力室的体积相应于压力室从膨胀状态转变为收缩状态的时间点减小; (c)减压操作膜,使得压力室的体积相应于压力室收缩的时间段增加; 和(d)对膜进行压缩操作,使得压力室的容积对应于压力室从收缩状态转变为膨胀状态的时间点而减小,输送到致动器的操作波形 考虑到致动器,压力室和弯液面的所有共振频率而设计,从而可以增加墨滴的喷射速度,并且可以使墨滴的尺寸最小化,而不会受到共振的影响 在喷墨过程中的致动器。